Add test for manual slice clones

marcusklaas · marcusklaas · commit a6206cc5f88a · 2017-09-16T18:53:55.000-04:00
diff --git a/tests/ui/for_loop.rs b/tests/ui/for_loop.rs
@@ -541,3 +541,10 @@ pub fn manual_copy(src: &[i32], dst: &mut [i32], dst2: &mut [i32]) {
         dst_vec[i] = src[i];
     }
 }
+
+#[warn(needless_range_loop)]
+pub fn manual_clone(src: &[String], dst: &mut [String]) {
+    for i in 0..src.len() {
+        dst[i] = src[i].clone();
+    }
+}

Original file line number	Diff line number	Diff line change
`@@ -541,3 +541,10 @@ pub fn manual_copy(src: &[i32], dst: &mut [i32], dst2: &mut [i32]) {`
`541`	`541`	`dst_vec[i] = src[i];`
`542`	`542`	`}`
`543`	`543`	`}`
	`544`	`+`
	`545`	`+#[warn(needless_range_loop)]`
	`546`	`+pub fn manual_clone(src: &[String], dst: &mut [String]) {`
	`547`	`+ for i in 0..src.len() {`
	`548`	`+ dst[i] = src[i].clone();`
	`549`	`+ }`
	`550`	`+}`